AMD Ryzen Threadripper Pro 9985WX

Manufacturer: AMD

The AMD Ryzen Threadripper Pro 9985WX is a powerful desktop processor designed for high-performance computing tasks. With 128 threads and a total clock speed of 64 x 3.2 GHz, this CPU is built to handle intensive workloads with ease.

It supports PCIe 5.0 for faster data transfer, offers a maximum RAM speed of 6400 MHz, and features a 350W TDP. The processor also supports ECC memory and includes 256 MB of L3 cache for enhanced data processing capabilities.

Pros

Supports up to 2000GB of memory, offering massive scalability for demanding applications.
Has 8 memory channels and supports DDR5 memory, enabling faster data transfer and higher bandwidth.
Includes ECC memory support, improving system stability and reducing errors in critical workloads.
Features an unlocked multiplier, allowing for overclocking to maximize performance potential.

Cons

Does not have integrated graphics, requiring a separate GPU for display output.
Has a high thermal design power (TDP) of 350W, which may require advanced cooling solutions.
Does not support big.LITTLE technology, limiting flexibility in power management across cores.

Who is this for?

The AMD Ryzen Threadripper Pro 9985WX is ideal for professionals and power users who require substantial processing power, such as video editors, 3D modelers, and data scientists. With its 128 threads and a turbo clock speed of 5.4 GHz, it can handle complex simulations, large-scale computations, and multi-threaded workloads with ease. Additionally, the ability to support up to 2000GB of memory and ECC memory support makes it an excellent choice for memory-intensive tasks that require high stability.

Who is this NOT for?

This processor is not suitable for users who need a more balanced or energy-efficient solution. Its 350W TDP requires robust cooling and might be overkill for less demanding applications. Additionally, the lack of integrated graphics means that users who don’t plan to pair it with a dedicated GPU would face compatibility issues. It also lacks big.LITTLE technology, which could impact energy efficiency in tasks that don't utilize all cores simultaneously.

General info:

Type	Desktop
Has integrated graphics	✕
release date	May 2025
Thermal Design Power (TDP)	350W
semiconductor size	4 nm
CPU temperature	95 °C
PCI Express (PCIe) version	5
Supports 64-bit	✓

The AMD Ryzen Threadripper Pro 9985WX is a desktop processor featuring a 350W Thermal Design Power (TDP) and a 4 nm semiconductor size, designed for high performance under heavy workloads. It does not include integrated graphics, and supports PCIe 5.0 for faster data transfer. The processor also supports 64-bit architecture and operates at a maximum temperature of 95°C.

Performance:

CPU speed	64 x 3.2 GHz
CPU threads	128 threads
turbo clock speed	5.4GHz
Has an unlocked multiplier	✓
L2 cache	64 MB
L3 cache	256 MB
L1 cache	5120 KB
L2 core	1 MB/core
L3 core	4 MB/core
Uses big.LITTLE technology	✕
clock multiplier	32

The AMD Ryzen Threadripper Pro 9985WX offers impressive performance with a total clock speed of 64 x 3.2 GHz and 128 threads, making it capable of handling demanding tasks. It also features a turbo clock speed of 5.4 GHz for bursts of high performance. With 64 MB of L2 cache and 256 MB of L3 cache, this processor is designed for efficient data handling, while its unlocked multiplier allows for overclocking.

Benchmarks:

PassMark result	156305
PassMark result (single)	4586

The AMD Ryzen Threadripper Pro 9985WX delivers strong benchmark results with a PassMark score of 156305, indicating its high overall performance. For single-threaded tasks, it achieves a PassMark score of 4586, highlighting its capability for demanding applications that rely on single-core speed.

Integrated graphics:

Memory:

RAM speed (max)	6400 MHz
DDR memory version	5
memory channels	8
maximum memory amount	2000GB
Supports ECC memory	✓

The AMD Ryzen Threadripper Pro 9985WX supports high-performance memory configurations with a maximum RAM speed of 6400 MHz and up to 2000GB of memory. It features 8 memory channels and supports DDR5 memory for fast data transfer. Additionally, the processor is compatible with ECC memory for enhanced error correction and system stability.

Features:

instruction sets	MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, SSE 4.2
uses multithreading	✓
Has NX bit	✓

The AMD Ryzen Threadripper Pro 9985WX features a wide range of instruction sets, including MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2, enabling efficient handling of various computational tasks. It also supports multithreading to enhance parallel processing performance and includes the NX bit for improved security against malicious software.

Final Verdict

The AMD Ryzen Threadripper Pro 9985WX is a high-performance desktop CPU designed for demanding workloads, offering impressive processing power with 128 threads and a turbo clock speed of 5.4 GHz. Its ability to support massive memory capacities up to 2000GB and ECC memory ensures reliability in memory-intensive tasks. While its high thermal output and lack of integrated graphics may not suit all users, it remains an excellent choice for professionals requiring maximum processing power and stability in specialized applications.